Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools Electrical Filters Fuel System Parts Tractor Parts 4-Stroke Engines Chainsaws Hedge Trimmers Leaf Blowers Safety Apparel Tools and Testers Service Manuals Briggs and Stratton Canadian Dolmar Echo Homelite Husqvarna Jonsered Kohler Makita McCulloch Onan Partner Pioneer Poulan Information Chain Reference Chart Chainsaw Chain Info - Maintenance & Safety Manual Testing Information and Diagrams for 2-Cycle Engines Watch How To Videos Contact Us Account Search site Submit search Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Parts & Tools > Chainsaws > Echo > Echo CS 420 > ECHO CS-400, CS-370, CS-420 REPLACEMENT SPROCKET, 3/8" 6 TOOTH DRIVE, BEARING Alternative Views: Our Price: $17.95 Product Code: SP5083 Qty: Description A HIGH QUALITY REPLACEMENT ECHO CS-400, CS-370, CS-420 REPLACEMENT SPROCKET, 3/8" 6 TOOTH DRIVE, INCLUDES A FREE BEARING, REPLACES ECHO PART # A556000401 SHIPS FROM USA WITH A TRACKING NUMBER Related Products... CARVING SPROCKET FITS ECHO CS400, CS4100, CS420, CS4200, CS4400,CS4510,CS4600 ECHO CS-400, CS-370, CS-420 REPLACEMENT SPROCKET, .325" 7 TOOTH DRIVE, BEARING Our Price: $25.95 Add Our Price: $17.95 Add Average Customer Review: 5 of 5 Total Reviews: 1 Write a review. 0 of 0 people found the following review helpful: ECHO CS-400 REPLACEMENT SPROCKET May 28, 2025 Reviewer: PATRICK HORRAS from Fairfield, IA United States GREAT PRODUCT MORE DURABLE THAN OEM Was this review helpful to you? PRO SPROCKET FITS STIHL 030 031 032 041 SAWS, 3/8" PITCH 7 TOOTH FREE BEARING $25.25 Stihl 044 Piston 50 mm $24.95 STIHL HIGH QUALITY OIL PUMP, REPLACES STIHL PART # 1121-007-1043 $39.95 POP UP PISTON KIT FITS HUSQVARNA 371, 372, 50MM, NON X-TORQUE KIT, # 503691271 $34.95 NEW STARTER RECOIL SPRING FITS STIHL CHAINSAW 009 010 011 012 015, 1116 195 1600 $9.95 HUSQVARNA 254, 257, 262, 261 STARTER ASSEMBLY, REPLACES PART # 503541601 $39.95 HEAVY DUTY USA MADE FLANGED WHEEL BEARING .750 ID X 1.375 OD $14.95 KOHLER M20, MV20 VALVES SET OF 4, 2 INTAKE & 2 EXHAUST VALES COMPLETE VALVE SET $99.95 OIL PUMP RUBBER RING FITS STIHL 041G 041AV 041 FARM BOSS 1110-647-9000, USA SHIP $8.95